QPatternist::XsdInstanceReader Class Reference

The schema instance reader. More...

#include <qxsdinstancereader_p.h>

Inheritance diagram for QPatternist::XsdInstanceReader:

Public Types
typedef QExplicitlySharedDataPointer< XsdInstanceReader >	Ptr

Public Functions
	XsdInstanceReader (const QAbstractXmlNodeModel *model, const XsdSchemaContext::Ptr &context)

Protected Functions
bool	atEnd () const
QString	attribute (const QXmlName &name) const
QXmlItem	attributeItem (const QXmlName &name) const
QSet< QXmlName >	attributeNames () const
QXmlName	convertToQName (const QString &name) const
bool	hasAttribute (const QXmlName &name) const
bool	hasChildElement () const
bool	hasChildText () const
bool	isEndElement () const
bool	isStartElement () const
QXmlItem	item () const
QXmlName	name () const
QVector< QXmlName >	namespaceBindings (const QXmlNodeModelIndex &index) const
void	readNext ()
QSourceLocation	sourceLocation () const
QString	text () const

Protected Variables
XsdSchemaContext::Ptr	m_context

Properties
QHash< QXmlName, QXmlItem >	m_cachedAttributeItems
QHash< QXmlName, QString >	m_cachedAttributes
QXmlItem	m_cachedItem
QSourceLocation	m_cachedSourceLocation
PullBridge	m_model

Detailed Description

The schema instance reader.

This class reads in a xml instance document from a QAbstractXmlNodeModel and provides a QXmlStreamReader like interface with some additional context information.

Author

Tobias Koenig tobia.nosp@m.s.ko.nosp@m.enig@.nosp@m.noki.nosp@m.a.com

Definition at line 75 of file qxsdinstancereader_p.h.

Typedefs

Ptr

typedef QExplicitlySharedDataPointer<XsdInstanceReader> QPatternist::XsdInstanceReader::Ptr

Definition at line 78 of file qxsdinstancereader_p.h.

Constructors and Destructors

XsdInstanceReader()

XsdInstanceReader::XsdInstanceReader	(	const QAbstractXmlNodeModel *	model,
		const XsdSchemaContext::Ptr &	context
	)

Creates a new instance reader that will read the data from the given model.

Parameters

model	The model the data are read from.
context	The context that is used for error reporting etc.

Definition at line 48 of file qxsdinstancereader.cpp.

    : m_context(context)
    , m_model(model->iterate(model->root(QXmlNodeModelIndex()), QXmlNodeModelIndex::AxisChild))
{
}

Functions

atEnd()

bool XsdInstanceReader::atEnd ( ) const

protected

Returns true if the end of the document is reached, false otherwise.

Definition at line 54 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::read().

{
    return (m_model.current() == AbstractXmlPullProvider::EndOfInput);
}

attribute()

QString XsdInstanceReader::attribute ( const QXmlName &  name ) const

protected

Returns the attribute with the given name of the current node.

Definition at line 145 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::qNameAttribute(), QPatternist::XsdValidatingInstanceReader::validate(), QPatternist::XsdValidatingInstanceReader::validateElement(), and QPatternist::XsdValidatingInstanceReader::validateElementComplexType().

{
    Q_ASSERT(m_cachedAttributes.contains(name));

    return m_cachedAttributes.value(name);
}

attributeItem()

QXmlItem XsdInstanceReader::attributeItem ( const QXmlName &  name ) const

protected

Returns the QXmlItem for the attribute with the given name at the current position.

Definition at line 181 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::validateAttribute().

{
    return m_cachedAttributeItems.value(name);
}

attributeNames()

QSet< QXmlName > XsdInstanceReader::attributeNames ( ) const

protected

Returns the list of attribute names of the current node.

Definition at line 152 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), and QPatternist::XsdValidatingInstanceReader::validateElementSimpleType().

{
    return m_cachedAttributes.keys().toSet();
}

convertToQName()

QXmlName XsdInstanceReader::convertToQName ( const QString &  name ) const

protected

Converts a qualified name into a QXmlName according to the namespace mappings of the current node.

Definition at line 118 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::selectNodeSets(), QPatternist::XsdValidatingInstanceReader::validate(), and QPatternist::XsdValidatingInstanceReader::validateElement().

{
    const int pos = name.indexOf(QLatin1Char(':'));

    QXmlName::PrefixCode prefixCode = 0;
    QXmlName::NamespaceCode namespaceCode;
    QXmlName::LocalNameCode localNameCode;
    if (pos != -1) {
        prefixCode = m_context->namePool()->allocatePrefix(name.left(pos));
        namespaceCode = m_cachedItem.toNodeModelIndex().namespaceForPrefix(prefixCode);
        localNameCode = m_context->namePool()->allocateLocalName(name.mid(pos + 1));
    } else {
        prefixCode = StandardPrefixes::empty;
        namespaceCode = m_cachedItem.toNodeModelIndex().namespaceForPrefix(prefixCode);
        if (namespaceCode == -1)
            namespaceCode = StandardNamespaces::empty;
        localNameCode = m_context->namePool()->allocateLocalName(name);
    }

    return QXmlName(namespaceCode, localNameCode, prefixCode);
}

hasAttribute()

bool XsdInstanceReader::hasAttribute ( const QXmlName &  name ) const

protected

Returns whether the current node has an attribute with the given name.

Definition at line 140 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::validate(), and QPatternist::XsdValidatingInstanceReader::validateElement().

{
    return m_cachedAttributes.contains(name);
}

hasChildElement()

bool XsdInstanceReader::hasChildElement ( ) const

protected

Returns whether the current node has an element node among its children.

Definition at line 97 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::validateElement(), QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), and QPatternist::XsdValidatingInstanceReader::validateElementSimpleType().

{
    const QXmlNodeModelIndex index = m_model.index();
    QXmlNodeModelIndex::Iterator::Ptr it = index.model()->iterate(index, QXmlNodeModelIndex::AxisChild);

    QXmlNodeModelIndex currentIndex = it->next();
    while (!currentIndex.isNull()) {
        if (currentIndex.kind() == QXmlNodeModelIndex::Element)
            return true;

        currentIndex = it->next();
    }

    return false;
}

hasChildText()

bool XsdInstanceReader::hasChildText ( ) const

protected

Returns whether the current node has a text node among its children.

Definition at line 81 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::validateElement(), QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), and QPatternist::XsdValidatingInstanceReader::validateElementSimpleType().

{
    const QXmlNodeModelIndex index = m_model.index();
    QXmlNodeModelIndex::Iterator::Ptr it = index.model()->iterate(index, QXmlNodeModelIndex::AxisChild);

    QXmlNodeModelIndex currentIndex = it->next();
    while (!currentIndex.isNull()) {
        if (currentIndex.kind() == QXmlNodeModelIndex::Text)
            return true;

        currentIndex = it->next();
    }

    return false;
}

isEndElement()

bool XsdInstanceReader::isEndElement ( ) const

protected

Returns whether the current node is an end element.

Definition at line 76 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::read().

{
    return (m_model.current() == AbstractXmlPullProvider::EndElement);
}

isStartElement()

bool XsdInstanceReader::isStartElement ( ) const

protected

Returns whether the current node is a start element.

Definition at line 71 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::read().

{
    return (m_model.current() == AbstractXmlPullProvider::StartElement);
}

item()

QXmlItem XsdInstanceReader::item ( ) const

protected

Returns the QXmlItem for the current position.

Definition at line 176 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::read(), QPatternist::XsdValidatingInstanceReader::selectNodeSets(), QPatternist::XsdValidatingInstanceReader::validate(), QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), and QPatternist::XsdValidatingInstanceReader::validateElementSimpleType().

{
    return m_cachedItem;
}

name()

QXmlName XsdInstanceReader::name ( ) const

protected

Returns the name of the current node.

Definition at line 113 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::anyType(), QPatternist::XsdValidatingInstanceReader::read(), QPatternist::XsdValidatingInstanceReader::selectNodeSets(), QPatternist::XsdValidatingInstanceReader::validate(), and QPatternist::XsdValidatingInstanceReader::validateAttributeWildcard().

{
    return m_model.name();
}

namespaceBindings()

QVector< QXmlName > XsdInstanceReader::namespaceBindings ( const QXmlNodeModelIndex &  index ) const

protected

Returns the namespace bindings for the given node model index.

Definition at line 191 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::validateAttribute(), QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), and QPatternist::XsdValidatingInstanceReader::validateElementSimpleType().

{
    return index.namespaceBindings();
}

readNext()

void XsdInstanceReader::readNext ( )

protected

Reads the next node from the document.

Definition at line 59 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::read().

{
    m_model.next();

    if (m_model.current() == AbstractXmlPullProvider::StartElement) {
        m_cachedAttributes = m_model.attributes();
        m_cachedAttributeItems = m_model.attributeItems();
        m_cachedSourceLocation = m_model.sourceLocation();
        m_cachedItem = QXmlItem(m_model.index());
    }
}

sourceLocation()

QSourceLocation XsdInstanceReader::sourceLocation ( ) const

protected

Returns a source location object for the current position.

Definition at line 186 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::error(), QPatternist::XsdValidatingInstanceReader::validateAttribute(), QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), QPatternist::XsdValidatingInstanceReader::validateElementSimpleType(), QPatternist::XsdValidatingInstanceReader::validateKeyIdentityConstraint(), QPatternist::XsdValidatingInstanceReader::validateKeyRefIdentityConstraint(), and QPatternist::XsdValidatingInstanceReader::validateUniqueIdentityConstraint().

{
    return m_cachedSourceLocation;
}

text()

QString XsdInstanceReader::text ( ) const

protected

Returns the concatenated text of all direct child text nodes.

Definition at line 157 of file qxsdinstancereader.cpp.

Referenced by QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), and QPatternist::XsdValidatingInstanceReader::validateElementSimpleType().

{
    const QXmlNodeModelIndex index = m_model.index();
    QXmlNodeModelIndex::Iterator::Ptr it = index.model()->iterate(index, QXmlNodeModelIndex::AxisChild);

    QString result;

    QXmlNodeModelIndex currentIndex = it->next();
    while (!currentIndex.isNull()) {
        if (currentIndex.kind() == QXmlNodeModelIndex::Text) {
            result.append(Item(currentIndex).stringValue());
        }

        currentIndex = it->next();
    }

    return result;
}

Properties

m_cachedAttributeItems

QHash<QXmlName, QXmlItem> QPatternist::XsdInstanceReader::m_cachedAttributeItems

private

Definition at line 179 of file qxsdinstancereader_p.h.

Referenced by attributeItem(), and readNext().

m_cachedAttributes

QHash<QXmlName, QString> QPatternist::XsdInstanceReader::m_cachedAttributes

private

Definition at line 178 of file qxsdinstancereader_p.h.

Referenced by attribute(), attributeNames(), hasAttribute(), and readNext().

m_cachedItem

QXmlItem QPatternist::XsdInstanceReader::m_cachedItem

private

Definition at line 181 of file qxsdinstancereader_p.h.

Referenced by convertToQName(), item(), and readNext().

m_cachedSourceLocation

QSourceLocation QPatternist::XsdInstanceReader::m_cachedSourceLocation

private

Definition at line 180 of file qxsdinstancereader_p.h.

Referenced by readNext(), and sourceLocation().

m_context

XsdSchemaContext::Ptr QPatternist::XsdInstanceReader::m_context

protected

The shared schema context.

Definition at line 174 of file qxsdinstancereader_p.h.

Referenced by convertToQName(), QPatternist::XsdValidatingInstanceReader::error(), QPatternist::XsdValidatingInstanceReader::loadSchema(), QPatternist::XsdValidatingInstanceReader::typeByName(), QPatternist::XsdValidatingInstanceReader::validateAttribute(), QPatternist::XsdValidatingInstanceReader::validateElementComplexType(), QPatternist::XsdValidatingInstanceReader::validateElementSimpleType(), QPatternist::XsdValidatingInstanceReader::validateKeyRefIdentityConstraint(), QPatternist::XsdValidatingInstanceReader::validateUniqueIdentityConstraint(), and QPatternist::XsdValidatingInstanceReader::XsdValidatingInstanceReader().

m_model

PullBridge QPatternist::XsdInstanceReader::m_model

private

Definition at line 177 of file qxsdinstancereader_p.h.

Referenced by atEnd(), hasChildElement(), hasChildText(), isEndElement(), isStartElement(), name(), readNext(), and text().

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The documentation for this class was generated from the following files:

• /src/xmlpatterns/schema/qxsdinstancereader_p.h
• /src/xmlpatterns/schema/qxsdinstancereader.cpp